* chore(release): add changesets for 0.5.0 and bump codex version test
- Add changesets for #1643 (orchestrator worktree adoption), #1549
(sidebar empty-state), and #1608 (terminal attach + mux routing).
- Update agent-codex package-version.test.ts expectation from 0.4.0
to 0.5.0 so the test no longer fails after the upcoming version bump.
* chore: release 0.5.0
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Co-authored-by: i-trytoohard <193449657+i-trytoohard@users.noreply.github.com>
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